Technical Specification
Description
Specification
470 kbps to 200 Mbps
DVB-S2 SHORT and NORMAL FEC Block
SHORT Block 16kbit
3
/
4
,
4
/
5
,
5
/
6
,
8
/
9
NORMAL Block 64kbit
3
/
4
,
4
/
5
,
5
/
6
,
8
/
9
,
9
/
10
Modulation Type & FEC
Rate
QPSK :
DVB 1/2, 2/3, 3/4, 5/6, 7/8 with RS (204,188), Optional
8PSK:
DVB-DSNG PTCM Rate 2/3, 5/6, 8/9 with RS(204,188), Optional
16QAM, Optional:
DVB-DSNG PTCM Rate 3/4, 7/8 with RS(204,188) code
Modulation Roll-Off
Factor
12% to 35% with 1% resolution
Configurable Forward
Error Correction
DVB-S/DVB-DSNG Coding
DVB-S2 SHORT and NORMAL FEC Block
SHORT Block 16kbit ¼
*
,
1
/
3
*
,
2
/
5
*
,
1
/
2
*
,
3
/
5
,
2
/
3
,
4
/
5
,
5
/
6
,
7
/
8
,
8
/
9
NORMAL Block 64kbit ¼
*
,
1
/
3
*
,
2
/
5
*
,
1
/
2
*
,
3
/
5
,
2
/
3
,
4
/
5
,
5
/
6
,
7
/
8
,
8
/
9
,
9
/
10
* Only available in QPSK according to DVB-S2 Specification
Data Management Interfaces
Monitoring & Control
(M&C)
Front Panel:
as standard
External M&C Interface:
10/100Base-T, RS-232, RS-485, SNMP
Receiver ASI Interface
Encoded Line Rate:
270 MSymbol ± 100 ppm
Min Sensitivity (D21.5 idle pattern):
200 mV
Max Input Voltage:
880 mV p-p
Discrete Connector Return Loss:
≥
15 dB
Max. Distance:
150 m
Power, Physical & Environmental
Power AC
option:
Auto sensing 95-265 V AC, 50-60 Hz
DC option:
48 V DC nominal (range +32 to +72 V DC)
Typical Power Dissipation
25 W
Physical
The SBM75e is a rack-mountable 1RU EIA chassis.
Height:
4.4 cm (1.75”)
Width:
43.2 cm (17”) without ears and 48.26 cm (19”) with ears
Depth:
Configuration Dependent – 40.6 cm (16”) to 50.8 cm (20”) max.
Weight:
5 kg (11lb) maximum
Environmental
Operating:
SBM75e Series Modulator Installation and Operation Manual
A-3
Summary of Contents for L-Band Satellite Modulator
Page 14: ...Getting Started 1 8 SBM75e Series Modulator Installation and Operation Manual...
Page 45: ...Front Panel Monitoring Control SBM75e Series Modulator Installation and Operation Manual 3 15...
Page 73: ...Web GUI Monitoring Control 4 28 SBM75e Series Modulator Installation and Operation Manual...
Page 78: ...Technical Specification SBM75e Series Modulator Installation and Operation Manual A 5...
Page 90: ...Glossary B 12 SBM75e Series Modulator Installation and Operation Manual...